Combined picker-staff and shuttle-check.



No. 736,581. PATENTED AUG. 18. 1903.

CDLDWELL & O. G. GILDARD.

GQMiBlLNIED" PIG'KBR STAFF AND SHUTTLE CHECK.

APPLICATION FILED JUNE 25. 1902.

N0 MODEL.

COWGZZJZ 66. Ma

attmwu No. 736,581. Patented August 18, 1903.

NiTnn STATES PATENT OFFICE.

JOSEPH COLDlVELL, OF FALL RIVER, AND CHRISTOPHER GILES GILDARD, OF SW'ANSEA, MASSACHUSETTS.

COMBINED PlCKER-STAFF AND SHUTTLE-CHECK.

SPECIFICATION forming part of Letters Patent No. 736,581, dated August 18, 1903.

Application filed June 25, 1902. SerialNo.11S,187. (No model.)

To all whom it may concern: ing the picker-staff 2 is the usual large lug- Beit known that we, JOSEPH OOLDWELL, restrap 9, the latter being supported by a loop siding at Fall River, and CHRISTOPHER GILES 10, engaging said strap and secured above the GILDARD, residing at Swansea, in the county same to the outer face of the picker-staff. 55

5 of Bristol and State of Massachusetts, citizens These two straps 9 and 10 are connected by of the United States, have invented new and the center piece 11, as is the usual practice.

useful Improvements in a Combined Picker- A collar 13, having a series of recesses ra- Staff and Shuttle-Check, of which the followdially disposed, as at 14, in one face, (see in mg is a specification. detail Fig. 3,) is mounted on the pickingshaft 6o lu This invention relates to improvements in 4, and the same may be tapped at its upper looms, and has particular reference to a new side, at which point it is provided with a set and improved combined picker-staff and shutscrew or bolt 12, the inner point of which may tle-check. be caused to bind or impinge upon the pick- The main objects of the invention are to so ing-shaft, and thus the collar rigidly secured 6 5 I5 locate a yielding check with relation to the in position. Located upon and coiled about picker-staff and the picking-shaft arm that the shaft 1, between the arm 5 and said colthe movement of either will give to the yieldlar, is a spring 15, one terminal 16 of which 1 ing check hereinafter described a similar may, as shown by dotted lines, be bent and movement, thereby requiring less motion of terminate in a convenient one of the recesses 70 20 the spring; to construct a check that will 1 1 of the collar 13 and the other terminal of maintain the picking-ball closely against the which may be disposed tangentially to the cam, whereby the picking of the 100111 is renaxis of the spring and constitute a yielding dered much easier and surer in cases of any arm 17. For the purpose of confining the sudden changes or variations in the speed of spring in proper position upon the shaft 75 the loom, and finally to construct the check against the collar a pin, as 18, may be let into in a durable, cheap, and simple manner. the shaft, or any other well-known means may Other objects of the invention and of more be employed-such, for instance, as one or or less importance will hereinafter appear, more washers or rings. and the novel features of the invention will The arm 17 is of course yielding and ter- 80 be particularly pointed out in the claims. minates above the lugs 6 and 7 in. a hook 19, Referring to the drawings, Figure 1 shows the latter engaging with a perforation 20, so much of an ordinary loom provided with formed in a connecting-strap 21, of leather or our improvements as is necessary in order to other material, the opposite end of said strap fully illustrate our invention, the pickingbeing connected to the side of the picker-staff 8 shaft being shown in section on the line 2 2 by any ordinary meansas, for instance, by

of Fig. 2. Fig. 2 shows the pickingshaft and means of a screw 22. parts carried thereby in elevation, the ends It will be obvious that the tension of the of the shaft being broken away. Fig. 3 is a spring may be readily increased or dimindetail hereinafter referred to. ished simply by loosening the set bolt or 90 Similar numerals of reference indicate simi screw 12 of the collar 13, partially rotating lar parts in all the figures of the drawings. the latter about the shaft 4, and retightening 1designatesthelay-beam, 2 thepicker-staff, the said bolt when the desired tension is seand 3 the shuttle, all of the conventional form cured. It is obvious that the picker-staff is of loom, the shuttle being shown as it appears thus yieldingly supported against movement 95 in its flight toward the picker-staff. and against the sudden impact of the shut at designates the picking-shaft, from which tle, so that it gives with the blow of the shut depends the picker-shaft arm 5, the latter tle, whereby the latter is prevented from rehaving the upper and lower lugs U and 7, rebounding in the shuttle-box and banging spectively. Loosely engaging the pickingoff or knocking off in addition to break- I00 shaft arm between the lugs 6 and 7 is the ing its cop. In this manner the shuttle is usual small lug-strap 8, and likewise engagbroughtto a gradual stop, the mechanism being set or regulated so as to avoid as much as. possible any sudden jerking.

It will of course be obvious that other forms of spring-checks will readily suggest themselves, and, in fact, some have heretofore been used, but none, so far as we are aware, have been mounted directly on the picking-shaft and picker-staff. Therefore we do not wish to be understood as limiting our invention to the precise form of check herein shown and described.

Having described our invention, what we claim is 1. The combination, in aloom,comprising a picker-staff and a picking-shaft, of a resilient arm extending from the latter, means for increasing or decreasing the tension thereof, and a flexible connection between said arm and'staif.

2. The combination, in a loom,comprising a picker-staff and picking-shaft, of a resilient arm depending from the shaft and a flexible connection between the end of the same and the said staff.

3. The combination, in a loom,comprising a picker-staff and pickingshaft, of a spring coiled on the shaft and terminating in an arm, and a connection between the free end of the latter and the said staff.

4. The combination, in a loom,comprising a picker-staff and picking-shaft, of a spring coiled upon said shaft and terminating in a depending arm, a connection between the same and the picker-staff, and means for adjusting the tension of said coiled spring.

5. The combination, in a loom,comprisinga pickerstaff and pickingshaft, of a coiled spring mounted on the shaft and having one end extendedto form an arm, a connectingstrap between the free end of the arm and the staff, a retaining means at one side of the spring, and an adjustable collar at the opposite side, the latter having a recess for the end of the spring and provided with a binding-nut.

In testimony whereof we affix our signatures in presence of two witnesses.

JOSEPH COLDWELL. CHRISTOPHER GILES GILDARD.

XVitnesses:

WILLIAM H. BRIERLEY, NIcHoL'As HATHEWAY, Jr. 

